Vazba
SQL vazba z tabulky PPLAN_POL na tabulku OCUO
select *
from PPLAN_POL pplan_pol
left outer join OCUO ocuo on ocuo.idpk = pplan_pol.idpk_ucet
select *
from PPLAN_POL pplan_pol
left outer join OCUO ocuo on ocuo.idpk = pplan_pol.idpk_ucet